5Y1B:
reference: Glycoside hydrolase family 18 and 20 enzymes are novel targets of the traditional medicine berberine., Duan Y, Liu T, Zhou Y, Dou T, Yang Q, J Biol Chem. 2018 Oct 5;293(40):15429-15438. doi: 10.1074/jbc.RA118.004351. Epub , 2018 Aug 22. PMID: 30135205

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).